you can buy them from a few different vendors. Depending on what price point the client wants to stay at.
Here's what we have and outside of a cloudy day, where they don't hit a full recharge.
These units stay on all night, have great illumination and some of the better ones we've dealt with. If i remember later on, i'll snap a pic of one or two.

https://www.amazon.com/Hampton-Bay-S...68&s=hi&sr=1-4